from decimal import *
print(3 + 2)
print(3 - 2)
print(3 * 2)
print("3/2=",3 / 2)
print("3 // 2=",3 // 2)
print("3 % 2=",3 % 2)
print("3 ** 2=",3 ** 2)

print("hello" * 3)
origin_num = Decimal("11.245")
answer_num = origin_num.quantize(Decimal('0.00'),rounding=ROUND_HALF_UP)
print(answer_num)